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Run results for:
object record find 100000
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36
Browser:
Chrome 137
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
9 months ago
Test name
Executions per second
for...in loop
81.8 Ops/sec
Array.find
53.5 Ops/sec
for loop
83.1 Ops/sec
Script Preparation code:
var data = {}; var findId='data-id-999999'; // Generate more data for (let i = 1; i <= 100000; i++) { var id = `data-id-${i}`; data[id] = { id: id }; }
Tests:
for...in loop
let result; for (const key in data) { if (data[key].id === findId) { result = data[key]; break; } }
Array.find
Object.values(data).find(item => item.id === findId);
for loop
const keys = Object.keys(data); for (let i = 0; i < keys.length; i++) { if (data[keys[i]].id === findId) { return data[keys[i]]; } }